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China GB MLJ-80 镁砖和镁铝砖 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MLJ-80 / MLJ-80
Category Grade Standard Region/Area Standard Content
Metals MLJ-80 GB/T 2275 China 镁砖和镁铝砖

Chemical composition(mass fraction)(wt.%) of the MLJ-80

Element Min Max Similar

Mechanical Properties of steel grade MLJ-80

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
349 (≥) 885 (≥) 23 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade MLJ-80

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
31 - -     0.44 -  
451 399 - 21.3 441   -  
777 - 23 21.2   434 224

Heat Treatment of steel grade MLJ-80

Heat treated : 1524°C - 1838°C

Technological Curves of steel grade MLJ-80

Cross Reference Table (Equivalent Grade) of MLJ-80

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